Application of Epoxy Resin Casting Insulation in Medium- and High-Voltage Switchgear

2025-09-24


In October 2024, a switch factory in Baoding reduced partial discharge levels by 50% through optimized casting processes, significantly enhancing product reliability and extending its lifespan.

Epoxy resin cast insulation components boast compact designs, excellent insulation performance, and superior moisture- and mold-resistant properties, making them widely used in medium- and high-voltage switchgear. Their manufacturing requires precise control of resin purity, as well as curing temperature and duration, to prevent bubbles and stress concentrations. In October 2024, a switchgear manufacturer in Baoding successfully reduced partial discharge levels by 50% through optimized casting processes, significantly enhancing product reliability and extending its service life.

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